Question

What substance dissociate in water

Answer 1

Sodium bromide

Potassium hydroxide

Magnesium chloride

Sodium oxide

• The solubility of silicon dioxide, SiO2, in water depends on a number of different factors, including pressure, temperature and the structure of its surface.

So it might or might not, depending on what you put it in. Sorry about this one. :)

Step-by-step explanation:

Answer 2

Substances that dissolve in water to yield ions are called electrolytes.